Silicon Valley + 1.650.739.3941

Greg Lanier is an accomplished trial lawyer with more than 30 years experience leading major intellectual property and business disputes for companies around the globe. Greg's experience includes a range of complex technologies, including enzymes, proteins, insulins, drug delivery, software, communications, and semiconductors.

Greg has won jury and bench trials, arbitrations, injunctions, and other major motions and hearing in venues across the United States. He also has personally argued appeals at the Federal, Fifth, and Ninth Circuits and in California's appellate courts. In addition, he has substantial experience in complex litigation matters involving parallel proceedings and investigations across the United States and around the world. Greg regularly advises on IP and litigation issues arising in corporate transactions and internal investigations and has led IP enforcement efforts against competitors and departing employees.

Greg has received significant recognition for excellent client results, being named by the Daily Journal as a "Top IP Lawyer" in California and selected as a "Lawyer of the Week" by The American Lawyer. Greg has been described in IAM Patent 1000 — The World's Leading Patent Professionals as a "charismatic first-chair trial lawyer" and "globe-trotting litigator and consummate counselor." Greg is included in The Best Lawyers in America, recommended by The Legal 500 for patent litigation, and listed in Managing IP and Super Lawyers for IP litigation.

Greg was born and raised in Silicon Valley. He is a member of the UC Hastings Foundation Board of Trustees and the Leadership Board of the College of Arts and Sciences of Santa Clara University.


  • Adocia prevails in biopharma license agreement dispute in international arbitrationJones Day won a binding arbitration award for French biopharmaceutical company, Adocia S.A., in a license agreement dispute against Eli Lilly and Company.
  • GreatCall wins affirmance of IP defense verdict in trade secret and patent telecom disputeJones Day won in binding arbitration and on appeal for GreatCall, Inc. in IP litigation brought by the company's founders.
  • SAP files DJ action in patent infringement dispute with Wellogix over computer softwareOn behalf of SAP America ("SAP"), Jones Day filed a patent infringement declaratory judgment action involving computer software, which is currently stayed in full pending the conclusion of reexamination proceedings filed by SAP in the USPTO involving the six patents-in-suit.
  • DIRECTV and component manufacturers prevail on summary judgment in patent infringement caseJones Day representing The DIRECTV Group, Inc., as well as numerous manufacturers of components used in DIRECTV's systems, prevailed by obtaining summary judgment rulings holding: (1) that a covenant not to sue between DIRECTV and Global was breached by Global's filing of this lawsuit; and (2) that the component manufacturers did not infringe Global's patents.
  • Google prevails in IPR proceeding by establishing that challenged claims are not patentableJones Day successfully represented Google Inc. before the PTAB in an IPR challenge to an internet-related patent that was also asserted in a district court action by Industrial Quick Search. 
  • SOLiD and Reach obtain jury verdict finding non-infringement in competitor-vs.-competitor patent caseFollowing a seven day trial, a jury in the Northern District of California unanimously found that Jones Day clients SOLiD, Inc. and Reach Holdings LLC did not infringe any claims of a 16-year-old wireless communications patent owned by Corning Optical Communications Wireless Ltd., a subsidiary of Corning, Inc.
  • Japanese multinational electronics manufacturer defeats royalty claims by former licensor of antenna-array technologyJones Day successfully defended a Japanese multinational electronics manufacturer against royalty claims by its former licensor of antenna-array technology.
  • The Nielsen Company obtains preliminary injunctionJones Day obtained a preliminary injunction for The Nielsen Company (US), LLC, NeuroFocus, Inc., and TNC (US) Holdings, Inc. (collectively "The Nielsen Company") against the former chief executive officer of a Nielsen entity.
  • SAP's district court victory affirmed by Ninth CircuitThree months after oral argument, the Ninth Circuit issued an order affirming federal district court judge Phyllis Hamilton's decision to overturn a $1.3 billion verdict against Jones Day client SAP AG in a long-running copyright dispute with Oracle.
  • Kyocera obtains dismissal of "sticky path" computer display accusationsJones Day obtained dismissal of case against Kyocera International, Inc. alleging that its cell phones infringe two patents relating to the display of a dynamically-updating "sticky path" to view hierarchical information in a graphical user interface.
  • Kyocera protects its cell phones against patent infringement allegationsJones Day defended Kyocera against allegations that its cell phones infringe patented CDMA technology.
  • Kyocera attacks three patents relating to CMOS image sensor technologyJones Day represented Kyocera Communications, Inc. in a declaratory judgment action seeking a declaration of non-infringement and invalidity of three patents relating to CMOS image sensor technology.
  • Xilinx resolves patent infringement dispute with Intellectual Ventures related to power controlsJones Day represented California-based Xilinx, Inc. in its multi-district patent litigation battle against the world's largest patent aggregator Intellectual Ventures ("IV").
  • Sybase obtains settlement in patent infringement claim related to mobile security technologyJones Day reached a settlement for Sybase, Inc. (a wholly-owned subsidiary of SAP) in a patent infringement action brought in the U.S. District Court for the Northern District of California relating to mobile security technology.
  • SanDisk revives flash memory patent infringement claims against Kingston in Federal CircuitJones Day represented SanDisk Corporation ("SanDisk") in a successful appeal to the United States Court of Appeals for the Federal Circuit involving patent infringement.
  • The Nielsen Company obtains settlement in patent infringement claim related to online measurement systems technologyJones Day reached a settlement for The Nielsen Company in a patent infringement action brought in the U.S. District Court for the Eastern District of Virginia against its competitor, comScore, Inc
  • The Nielsen Company fends off patent infringement action over interactive media applicationJones Day reached a successful settlement for The Nielsen Company, Digimarc Corporation, TVAura Mobile, and The Weather Channel in a patent infringement action brought in the U.S. District Court for the District of Delaware.
  • SAP's $1.3 billion jury award vacatedIn November 2010, Jones Day defended SAP AG, SAP America, Inc. and TomorrowNow, Inc. in an Oakland federal trial that was limited to the amount of damages to be awarded on Oracle's copyright claims.
  • SAP uses cost-saving strategies to comply with overwhelming data requests seeking in excess of twenty terabytes of dataJones Day demonstrated significant e-discovery expertise in its representation of SAP AG, SAP America, and TomorrowNow, Inc. in a software copyright infringement matter.
  • SAP acquires Sybase for $5.8 billionJones Day advised SAP in its $5.8 billion agreement to acquire Sybase, Inc., an enterprise software and services company.
  • Speaking Engagements

    • January 28, 2016
      Winning Strategies for Litigating Patent Trials, Northern California Jones Day University
    • September 20, 2013
      How the Business Role Impacts the Attorney-Client Privilege, and Waiver Risks
    • October 14, 2011
      Complex Issues in Complex Cases: A Focus on Damages, Daubert & Ethics
    • June 22, 2005
      Patent Trolls - Myth or Menace?
    • December 7, 2004
      The Government as VIP Protecting Your IP
    • November 30, 2004
      The Government as VIP Protecting Your IP
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